FormStep not hidden when step is not active

[hi-reeve]

Describe the bug
the formstep component left a little bit of space when it is not active

To Reproduce
Steps to reproduce the behavior:

1. use FormStep from useStepFormFlow
2. check the element console
3. See error

Expected behavior
FormStep is hidden or at least not having any space. maybe should add display none when the step is not active?

Screenshots or Screencast